Knife rack



FIG. 1 is a front elevational view of a knife rack showing my new design.

FIG. 2 is a back elemental view.

FIG. 3 is a top plan view.

FIG. 4 is a bottom plan view.

FIG. 5 is a left side elevational view.

FIG. 6 is a right side elevational view. 

The ornamental design for a knife rack, as shown. 